Question: What is owned by  Salvator Mundi Saviour of the World that is start time is 1660 ?
Paraphrase: Salvator Mundi owned what in the beginning of 1660?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q1892745 p:P127 ?s . ?s ps:P127 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1660')) }